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10201101331 = 35461287671
BaseRepresentation
bin10011000000000100…
…00111010000010011
3222022221011122021211
421200002013100103
5131342440220311
64404125000551
7510535634131
oct114002072023
928287148254
1010201101331
11436528a463
121b883b3157
13c6756bb45
146cab50751
153ea883821
hex260087413

10201101331 has 4 divisors (see below), whose sum is σ = 10201424464. Its totient is φ = 10200778200.

The previous prime is 10201101319. The next prime is 10201101341. The reversal of 10201101331 is 13310110201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13310110201 = 21163081091.

It is a cyclic number.

It is not a de Polignac number, because 10201101331 - 25 = 10201101299 is a prime.

It is a super-2 number, since 2×102011013312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201101341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108375 + ... + 179296.

It is an arithmetic number, because the mean of its divisors is an integer number (2550356116).

Almost surely, 210201101331 is an apocalyptic number.

10201101331 is a deficient number, since it is larger than the sum of its proper divisors (323133).

10201101331 is an equidigital number, since it uses as much as digits as its factorization.

10201101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323132.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10201101331 its reverse (13310110201), we get a palindrome (23511211532).

The spelling of 10201101331 in words is "ten billion, two hundred one million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 35461 287671 10201101331